Question about Computers & Internet
My laptop has powered itself off. I suspected the fan or heatsink causing the problem from overheating. However, the laptop is free of dust and clean. I replaced the fan and heatsink but encountered the same no power on probem. So, I removed the new fan and heatsink and re-installed the old parts. the pwoer supply shows the gree LED power light. I may need to check the power supply, connectins and the power jack connector on the laptop with a multimeter for power. I tried clearing a possible stuck power on key and got the laptop to power on once. But the power on LED light problem returned again. There is no power LED light on, no power on screen and no boot up display. I'm thinking it may be the laptop power jack connector is bad and causing "no power on".
It happens when system gets heated and then afterwards it hang. So it is a problem with your system power supply. You need to change it.
Posted on Jul 25, 2013
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Posted on Jan 02, 2017
Try pressing FN/F5 keys simultaneously, or the key that toggles internal/external Display. Look for the double screen Icons on the keys.
Tap the Pause Key.
Restart and press and hold F8 key when Toshiba logo appears. When the boot Menu appears, select Last Known Good Configuration.
If all else fails ther should be a reset button on the side of the LT. Consult owners Manual for location
Posted on Aug 16, 2008
Here's a link to a good article that will help you to troubleshoot the startup error. You might also check Toshiba support online and see what the error light code indicates.
I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!
Posted on Jun 06, 2009
It's a little more involved than just removing the keyboard. You have to
Completely disassemble the laptop, until just the motherboard is in your
HOWEVER, for this Acer model it's a different installation, than the
normal one. This DC Power Jack uses a small wire harness. You just
unplug the old one, and install the new one. Let me explain,
I'm a tech who normally works on HP, Compaq, IBM, (Lenova now),
and Acer laptops. Acer's that are older than yours. All the DC Power
Jacks that I have replaced, are directly soldered to the motherboard,
and have no wire harness leading off of them. No plug connector on
the end of a harness, either.
In my search just now for a replacement power jack, my findings show
that the Acer Aspire 5920 series have a small wire harness.
Let me show you,
Here the jack is offered minus the harness. You have to unsolder your old
harness from the defunct power jack, and solder it to the new one.
You'll find the body of the DC jack is made of plastic. There is a metal
pin in the center. (This is the Positive post. + )
Some DC power jacks have a metal cylinder, or metal tube shape that surrounds the Positive metal center pin. This is the Negative connection.
Some just have a flat metal contact prong in the back for Negative.
If you have your AC adapter plugged in, and the plug is bumped, the metal
center pin can break loose from it's mount. Break loose from the plastic
body. Same thing for the metal 'shell' for the Negative connection, but this
doesn't happen as often.
Again, most DC Power Jacks have metal flat prongs that come out of the
power jack's body, go through the motherboard, and are soldered on the
backside. These solder connections can crack, and break, making an
intermittent connection. Doesn't seem to be the case for yours, IF the
jacks shown are the correct ones.
This may help you in your endeavor to disassemble your Acer Aspire.
(AND reassemble!) (TIP from me. DEFINITELY buy an ESD wrist strap
and connect the alligator clip to a good ground. They only cost about
$5 to $7 dollars. They are to relieve static from your body. Electro Static
Discharge wrist strap)
Posted on Jun 22, 2009
Have you tried attaching an external monitor when the LCD screen is disconnected from the motherboard? this connector is located under the keyboard strip – a piece of plastic just above the keyboard.
If it works, this way, then the video cable isn’t seated properly in the connector on the back of the screen. Plugging the video cable back in should fix the problem.
I don’t know how comfortable you are with taking apart laptops but I think that this information could be useful for you.
Posted on Sep 28, 2009
Tips for a great answer:
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